Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a quantidade produzida quando o fabricante era 4-6-2 - oooooo - pacific?
 ###Tabelas: CREATE TABLE past_wac_women's_basketball_tournament_results (past_wac_women's_basketball_tournament_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Winner VARCHAR, Score VARCHAR, Opponent VARCHAR, Location VARCHAR) CREATE TABLE domestic_records (domestic_records_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, League Position VARCHAR, League VARCHAR, Domestic Cup VARCHAR, Cup Position VARCHAR) CREATE TABLE 1971_isle_of_man_production_500_cc_tt_final_standings (1971_isle_of_man_production_500_cc_tt_final_standings_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Team VARCHAR, Speed VARCHAR, Time VARCHAR) CREATE TABLE class_h:_4-6-2 (class_h:_4-6-2_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR) CREATE TABLE atlantic_coast_conference_10–3–1 (atlantic_coast_conference_10–3–1_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Wins INT, Loss INT, Home Wins INT, Home Losses INT, Away Wins INT, Away Losses INT, Neutral Wins INT, Neutral Losses INT)  
SELECT Quantity made FROM class_h:_4-6-2 WHERE Manufacturer = 4-6-2 — oooooo — pacific